JPS59134111A - Vessel filling - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a container for filling viscous contents such as toothpaste, cosmetics, foods, and other pasty products, in which the contents are discharged from a discharge port by a bottom lid that moves along the inside of the container. The present invention relates to a packaging method for filling and packaging containers used by extrusion, and an apparatus therefor.

Generally, in a container in which a bottom cover or a piston of this type is provided within the container, the bottom cover or the piston must be sealed as advantageously as possible in order for the bottom cover or the piston to fully perform its function against the viscous contents before being filled and packaged. However, in the past, when the bottom cover or piston was inserted into the container, the air that entered the container did not escape and remained sealed, which not only adversely affected the quality of the contents but also caused inaccurate metering. The pump filling section is no longer available, and there are significant inconveniences in automatic manufacturing and filling.

The present invention aims to precisely eliminate these conventional drawbacks by removing air remaining in the container from the bottom end of the container when filling each product (also when the bottom lid is moved). The object of the present invention is to provide a method and an apparatus for filling and packaging containers that can maintain airtightness and eliminate the intrusion or suction of air into the interior of the container.

The present invention provides a method for sealing and packaging the viscous contents by filling a container with viscous contents, inserting a bottom lid that can slide against the inner wall of the container, and pressing the bottom lid into the container with a pusher. , a container filling and packaging method characterized in that the operation of pressing and inserting the bottom cover is continuously performed at a slow enough speed to cause degassing at the same time as the operation.

Embodiments of the present invention will be described with reference to the drawings.
The figure is a flow sheet of an apparatus for carrying out the present invention, No. 2.
The figure shows an outline of a part of the device, and this device includes a filling section A for filling a viscous content while intermittently transporting a cylindrical container a, and a bottom lid for the container a. The container is provided with a compression insertion part B for continuously pressing and inserting the bottom lid into the container a after charging the viscous contents, thereby sealingly packaging the viscous contents.

The filling section A includes a conveyor 1 for intermittently transporting containers a, and a filling machine 2 for filling containers a with viscous contents C.
etc. Reference numeral 4 denotes a cylindrical body for fitting the container a and supporting it upside down, but it may also be a gripper or a chucking if necessary.

The press insertion part B includes a chute 3 for inserting the bottom lid into the container a, an endless continuous conveyor 5 with variable running speed, and cylindrical bodies arranged at equal intervals on the conveyor 5. 4
, a guide rail 6 and the like arranged endlessly above the conveyor 5.

A portion of the guide rail 6 first becomes downwardly sloped along the transport direction of the container a, and then becomes upwardly sloped. A roller 9 equipped with a bushing 8 having a tip 7 at its tip is provided on the guide rail 6 so as to be able to run along the guide rail 6. However, the roller 9 has a tip 7 in the suppressing insertion portion B. Is it 2? The pusher 8 is rotated by a variable speed continuous moving mechanism (not shown) located directly above the container a, and is configured to move the pusher 8 in accordance with the transfer of the container a.

Furthermore, although not shown, a filling part A and a suppressing insertion part B
In the middle, container a on conveyor 1 is automatically transferred to conveyor 5.
A transfer mechanism for transferring to the upper cylindrical body 4 is provided.

The conveyor 1 of the filling section A may be of a continuous running type, or the filling machine 2 may be installed on the conveyor 5 of the suppression insertion section B.
If the transfer mechanism is provided, the transfer mechanism can be omitted.

Then, by starting the moving mechanism of the conveyors 1 and 5 and the roller 9 and the transfer mechanism, and inverting the container a onto the cylindrical body 4 on the conveyor 1 manually or by an automatic loading device, the container a is filled. When the container a is transferred directly below the machine 2, the filling operation with the viscous content C is automatically performed, and then the transfer mechanism causes the container a to enter the press insertion section B, and the container a is inserted into the chute 6.
The bottom cover is automatically loaded when it comes directly below the bottom cover, and the guide rail on the lower slope part is moved to the left side in Figures 1 and 2 by the conveyor 5. 6
The air d between the viscous contents C is gradually and continuously lowered and the tip 7 is continuously covered with a bottom cover.
At the same time, the contents C move toward the discharge port f via the check valve e, and while the air g near the discharge port f is discharged from the discharge port f, the bottom cover is pressed and inserted. will be held. After the end of this suppressed insertion operation, the guide rail 6 is tilted upward, the chips 7 are gradually removed from the container, and the sealed package is removed, for example, onto the ejection chute 10 by an ejection mechanism (not shown). It is supplied falling and sent to the next process.

In addition, e' in FIG. 1 is a check valve provided in the container a.

In this case, since the pressing insertion operation of the bottom cover, that is, the lowering movement of the bushing 8 is performed continuously, the sealed packaging can be carried out under reliable deaeration. By reducing the traveling speed of the moving mechanism or adjusting the slope of the guide rail 6, the above degassing effect can be further ensured.

Here, to explain the above-mentioned suppressing insertion operation in more detail, as described later, the bottom cover is inserted into the container a while its seal lip is in contact with the cylindrical inner wall of the container a and is guided by the inner wall. The shape is such that the air d that is inserted between itself and the contents at the time of insertion is reliably degassed out of the container a. A cap a' is fitted to the discharge port f so as to surround it, but since it is designed to maintain airtightness to the extent that a slight amount of air can circulate, the bottom cover is inserted. The contents are pushed into a dome partitioned into the container and moved toward the discharge port f, and air g near the discharge port f is discharged from the discharge port f. In addition, it is preferable that the sliding surface of the bottom lid of the container a has a rough surface having slight irregularities, so that degassing can be carried out more smoothly.

The present invention provides continuous and gradual pressure insertion of the bottom cover in order to enable accurate push-filling of the viscous contents while providing the above-mentioned degassing effect when filling the viscous contents into the container a having such a structure. It is characterized by carrying out the following.

In the present invention, the pressing insertion speed of the bottom lid into the container a, that is, the moving speed of the bottom lid (in the case of the embodiment, the descending speed)
are extremely important, including the shape of the container a, the roughness of its inner wall surface, the shape of the seal lip, the viscosity of the viscous contents, and the check valve e.
It varies depending on the structure, etc., but generally 200 + a
It is preferable that the speed be as slow as / 'See or below.
50-150ffi if the viscous content is relatively low viscosity
I/sec, 10-40 ran/S for high viscosity
It is even more preferable to use eC. Note that it is also extremely effective to perform suppressive insertion while gradually reducing the moving speed.

In addition, in this suppressing insertion operation, the air g in the dome partitioned into the container is usually relatively easily discharged,
Next, the viscous contents are pushed into the dome deep in the container and the air d is degassed, so it is preferable to gradually increase the pressing force of the button 8 against the bottom cover as the bottom Jb moves. .

Although the main shaft of the bushing 8 was of a constant length,
It can also be constructed from a coil spring or the like if desired.

Next, FIG. 3 shows another embodiment of the present invention, in which the button 8 is the same as the example in FIG. The difference is that a plurality of containers a into which bottom caps have been placed are simultaneously and intermittently transferred, and a bottom cap insertion operation is simultaneously performed for these containers while these containers a are stopped.

That is, in FIG. 3, a plurality of, for example, three buttons 8 having the same specifications and capable of reciprocating only in the vertical direction are arranged along the running direction of the conveyor 50, and each roller 9 attached to the upper end of these buttons is Due to a spring or the like, it is always in pressure contact with the cam 11 that reciprocates in the horizontal direction.

The edge line of the lower end of this cam 11 has a substantially sinusoidal curve.

After filling the viscous contents and putting in the bottom lid, 3
A group of book containers a are intermittently transferred to the left in the drawing, but when each container a is located directly under each pusher 8, the conveyor 5 stops temporarily, and during this stop, the conveyor 5 stops moving. The cam 11 continuously moves to the right by one pitch of the bushing, that is, the distance p, and the operation of pressing and inserting the bottom cover and the operation of removing the tip 7 from the container a are performed in series. Next, the conveyor 5 resumes running, and when the next group of containers comes directly under each squeezer, the conveyor 5 stops again, and this time, the cam 11 continuously moves to the left by one pusher pitch, and in the same way, the suppressing insertion operation is performed. It will be done.

In addition, in this example, the traveling speed of the cam 11 is made variable,
The edge line of the lower end of the cam 11 may be shaped so that the bushing descends at a constant speed, or may be shaped such that the descending speed of the bushing gradually decreases.

Furthermore, the example in FIG. 3 has the advantage that the transfer mechanism for transferring containers from the conveyor 1 to the conveyor 5, which was necessary in the example in FIG. 1, can be omitted. In this case, it is only necessary to slightly modify the filling machine 2 and chute 3.

In the present invention, it is preferable that the shape of the container and the bottom lid be as described above, but the shape shown in FIG. 4 or FIG. 5 may also be used.

In the example shown in Fig. 4, the container a is cylindrical, and the bottom lid is made of an elastic material and has a disk shape with lip seals h and h' on the top and bottom of the outer periphery, and has a V-shaped opening in the center. A dome is formed by a partition wall provided with a check valve e'' to prevent air leakage, and a deaeration hole i is provided in the bushing 8, and a bottom cover is inserted into the check valve e'' and deaeration hole 1 to suppress the degassing. At the same time, the dome is also filled with the contents and the check valve e'' is closed at the end of insertion.

On the other hand, in the case shown in Fig. 5, the container a has a cylindrical shape, and a rod-like body j having a conical tip is provided at its axis via a perforated plate k, and the rod-like body J can be slid on the rod-like body J. It is configured such that a disc-shaped bottom cover with a circular hole T is inserted thereinto under pressure. Other points are the same as those in FIG. 4.

Note that in the above embodiments, the container moved horizontally and the button moved at least vertically, but
- Conversely, the bottom cover may be pressed and inserted by moving the container up and down.

In addition, in the above embodiment, the container into which the bottom cover is inserted is moved continuously when the bottom cover is inserted under pressure, or is moved intermittently after the pressure insertion operation. The operations of filling, inserting the bottom cover, and pressing the container may be performed simultaneously for all containers in this order.

As described above, the present invention provides a container that is used by pushing out the contents by pushing the bottom cover of the container. The result is a container-filled packaging product that has good airtightness and functions reliably when the contents need to be extruded, and the contents can be stored for long periods of time because no air remains inside the container. It is durable, looks beautiful, and greatly improves packaging efficiency.
It has many advantages such as contributing to labor saving.

[Brief explanation of the drawing]

FIG. 1 is a flow sheet of one embodiment of the present invention, FIG. 2 is an explanatory diagram of the bottom cover press insertion process, and FIG. 3 is an explanatory diagram of the bottom cover press insertion process in another embodiment of the present invention. Figures 4 and 5
The figure is a cross-sectional view of a container used in the practice of the invention. A... Filling section, B... Repression insertion section, 1.5... Conveyor, 2... Filling machine, 6... Shooter, 4...
Cylindrical body, 6... Guide rail, 7... Chip, 8...
... Butsusha, 9... Row 7-110... Discharge chute, 11... Cam, a... Container, a'... Cap, b... Bottom cover, C... Viscous content thing, d, g...
・Air, e, e', e''...Check valve, f...Discharge port, h, h'...Lip seal, 1...Deaeration hole,
j...rod-shaped body, k...perforated plate, t...circular hole. Patent applicant Lion Corporation

Claims (1)

[Claims] t. After filling a container with viscous contents, a bottom lid that can slide against the inner wall of the container is inserted, and this bottom lid is pressed into the container with a pusher to remove the viscous contents. A container filling and packaging method characterized in that the operation of pressing and inserting the bottom cover is continuously performed at a slow enough speed to cause degassing at the same time as the operation. 2. The method according to claim 1, wherein the container into which the bottom lid is inserted is continuously transferred, and the operation of compressing and inserting the bottom cover is performed while moving the button to follow the transfer of the container. 5. The method according to claim 1, wherein the container into which the bottom lid is placed is intermittently transferred, and the bottom lid is pressed and inserted while the container is stopped. 4. The method according to claim 2 or 3, wherein the press insertion operation of the bottom lid is performed by setting a moving speed of the bottom lid into the container to be 2001111/SeC or less. 5. The press insertion operation of the bottom cover is performed while gradually reducing the speed of movement of the bottom cover into the container.
The method described in section. 6. The method according to claim 4 or 5, wherein the press insertion operation of the bottom cover is performed while gradually increasing the pressing force of the button against the bottom cover. l A conveyor for transporting a container filled with viscous contents and a bottom lid, a button for pressing and inserting the bottom lid into the container, and a button for moving the button into the container by following the movement of the container. 1. A container filling and packaging device characterized by comprising a guide mechanism for continuously inserting containers in a direction. 8. The apparatus according to claim 7, wherein the conveyor runs endlessly and continuously, and the guide mechanism is a guide rail. 9. The device according to claim 7 or 8, wherein the guide mechanism for the bushing includes a guide rail having a downward slope portion that gradually and continuously lowers the bushing.